Cédric Le Goater <c...@redhat.com> writes:

> This will prepare ground for future changes adding an Error** argument
> to the save_setup() handler. We need to make sure that on failure,
> block_save_setup() always sets a new error.
>
> Cc: Stefan Hajnoczi <stefa...@redhat.com>
> Signed-off-by: Cédric Le Goater <c...@redhat.com>

Reviewed-by: Fabiano Rosas <faro...@suse.de>

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